<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图的区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,index) in swiperList" :key="index">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src" mode=""></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,index) in navList" 
      :key="index" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    <!-- 楼层区 -->
    <!-- 楼层的容器 -->
    <view class="floor-list">
      <!-- 每一个楼层的 item 项 -->
      <view class="floor-item" v-for="(item,index) in floorList" :key="index">
        <!-- 楼层的标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层的图片区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图片的盒子 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" 
            :style="{width:item.product_list[0].image_width+'rpx' }" 
            mode="widthFix"></image>
          </navigator>
          <!-- 右侧4个小图片的盒子 -->
          <view class="right-img-box ">
            <navigator  
            v-for="(item2,index2) in item.product_list" 
            :key="index2" v-if="index2!==0" 
            class="right-img-item"
            :url="item2.url"
              >
              <image :src="item2.image_src" 
              :style="{width:item2.image_width+'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins:[badgeMix],
    data() {
      return {
        //轮播图的数据列表
        swiperList:[],
        //分类导航的数据列表
        navList:[],
        // 楼层的数据
        floorList:[]
      };
    },
    onLoad() {
      //调用方法，获取轮播图的数据
      this.getSwiperList(),
      this.getNavList(),
      this.getFloorList()
    },
    methods:{
      async getSwiperList(){
       const {data:res} =await uni.$http.get('/api/public/v1/home/swiperdata')
       //请求失败
       if(res.meta.status!==200) return uni.$showMsg()
       
       this.swiperList=res.message
       // uni.$showMsg('数据请求成功！')
      },
      async getNavList(){
        const {data:res}= await uni.$http.get('/api/public/v1/home/catitems')
        if(res.meta.status!==200)return uni.$showMsg()
        this.navList=res.message
      },
      navClickHandler(item){
        if(item.name==="分类"){
          uni.switchTab({
            url:'/pages/cate/cate'
          })
        }
      },
      //  获取楼层数据
      async getFloorList(){
        const {data:res}=await uni.$http.get('/api/public/v1/home/floordata')
        if(res.meta.status!==200) return uni.$showMsg()
        //对数据进行处理
        res.message.forEach(floor=>{
          floor.product_list.forEach(prod=>{
            prod.url='/subpkg/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
          })
        })
        this.floorList=res.message
      },
      gotoSearch(){
        uni.navigateTo({
          url:'/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
swiper {
  height: 330rpx;
  .swiper-item,
  image {
    width: 100%;
    height: 100%;
  }
}
.nav-list {
  display: flex;
  justify-content: space-around;
  margin: 15rpx 0;
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title {
  height: 60rpx;
  width: 100%;
}
.floor-img-box{
  display: flex;
  padding-left: 10rpx;
}
.right-img-box{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.search-box {
  position: sticky;
  top: 0;
  z-index: 999;
}
</style>
